催化剂活性安定性  catalyst activity stability

弹性安定性  elastic stability

航向中性安定性  neutral heading stability

活性安定性  activity stability

塑性安定性  plastic shakedown

表面改性天然斜发沸石  surfactant-modified clinoptilolite

磁性天然沸石  magnetically modified zeolite

低温改性天然橡胶  low-temperature modified nature rubber

点特异性天然同位素分馏核磁共振技术  site-specific natural isotope fractionation-nuclea

改性天然高分子  Modified-natural-macromolecule; modified natural-macromolecule; modified natural high molecular polymer

改性天然高分子钻井液  modified natural high polymer drilling fluid

改性天然磷灰石  Modified natural apatite; modipied natural apatite

改性天然石墨  Modified natural graphite

改性天然橡胶  modified nature rubber

干性天然气  dry natural gas

高酸性天然气  high sour natural gas

功能性天然淀粉  functional native starch

功能性天然色素  functional natural colorants

构造性天然气  structural natural gas